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nstool: Reverse parameters to nstool

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Having the "subcommand" first is more conventional and will make it more
natural for future extensions I have planned.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
David Gibson 2023-04-06 13:28:07 +10:00 committed by Stefano Brivio
parent 4914fce77b
commit 2884ccd2e7
2 changed files with 28 additions and 28 deletions
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28
test/lib/setup
View File

@ -77,8 +77,8 @@ setup_pasta() {
layout_pasta
context_run_bg unshare "unshare -rUnpf ${NSTOOL} ${STATESETUP}/ns.hold hold"
__target_pid=$(${NSTOOL} ${STATESETUP}/ns.hold pid)
context_run_bg unshare "unshare -rUnpf ${NSTOOL} hold ${STATESETUP}/ns.hold"
__target_pid=$(${NSTOOL} pid ${STATESETUP}/ns.hold)
context_setup_nsenter ns -U -n -p --preserve-credentials -t ${__target_pid}
@ -126,9 +126,9 @@ setup_passt_in_ns() {
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
context_run_bg pasta "./pasta ${__opts} -t 10001,10002,10011,10012 -T 10003,10013 -u 10001,10002,10011,10012 -U 10003,10013 -P ${STATESETUP}/pasta.pid --config-net ${NSTOOL} ${STATESETUP}/ns.hold hold"
context_run_bg pasta "./pasta ${__opts} -t 10001,10002,10011,10012 -T 10003,10013 -u 10001,10002,10011,10012 -U 10003,10013 -P ${STATESETUP}/pasta.pid --config-net ${NSTOOL} hold ${STATESETUP}/ns.hold"
wait_for [ -f "${STATESETUP}/pasta.pid" ]
__ns_pid=$(${NSTOOL} ${STATESETUP}/ns.hold pid)
__ns_pid=$(${NSTOOL} pid ${STATESETUP}/ns.hold)
context_setup_nsenter qemu "-t ${__ns_pid} -U -n -p --preserve-credentials"
context_setup_nsenter ns "-t ${__ns_pid} -U -n -p --preserve-credentials"
@ -189,16 +189,16 @@ setup_two_guests() {
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/pasta_1.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
context_run_bg pasta_1 "./pasta ${__opts} --trace -l /tmp/pasta1.log -P ${STATESETUP}/pasta_1.pid -t 10001,10002 -T 10003,10004 -u 10001,10002 -U 10003,10004 --config-net ${NSTOOL} ${STATESETUP}/ns1.hold hold"
__ns1_pid=$(${NSTOOL} ${STATESETUP}/ns1.hold pid)
context_run_bg pasta_1 "./pasta ${__opts} --trace -l /tmp/pasta1.log -P ${STATESETUP}/pasta_1.pid -t 10001,10002 -T 10003,10004 -u 10001,10002 -U 10003,10004 --config-net ${NSTOOL} hold ${STATESETUP}/ns1.hold"
__ns1_pid=$(${NSTOOL} pid ${STATESETUP}/ns1.hold)
context_setup_nsenter passt_1 -U -n -p --preserve-credentials -t ${__ns1_pid}
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/pasta_2.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
context_run_bg pasta_2 "./pasta ${__opts} --trace -l /tmp/pasta2.log -P ${STATESETUP}/pasta_2.pid -t 10004,10005 -T 10003,10001 -u 10004,10005 -U 10003,10001 --config-net ${NSTOOL} ${STATESETUP}/ns2.hold hold"
__ns2_pid=$(${NSTOOL} ${STATESETUP}/ns2.hold pid)
context_run_bg pasta_2 "./pasta ${__opts} --trace -l /tmp/pasta2.log -P ${STATESETUP}/pasta_2.pid -t 10004,10005 -T 10003,10001 -u 10004,10005 -U 10003,10001 --config-net ${NSTOOL} hold ${STATESETUP}/ns2.hold"
__ns2_pid=$(${NSTOOL} pid ${STATESETUP}/ns2.hold)
context_setup_nsenter passt_2 -U -n -p --preserve-credentials -t ${__ns2_pid}
context_setup_nsenter qemu_1 -U -n -p --preserve-credentials -t ${__ns1_pid}
@ -284,7 +284,7 @@ teardown_passt() {
# teardown_pasta() - Exit namespace, kill pasta process
teardown_pasta() {
${NSTOOL} "${STATESETUP}/ns.hold" stop
${NSTOOL} stop "${STATESETUP}/ns.hold"
context_wait unshare
teardown_context_watch ${PANE_HOST} host
@ -297,7 +297,7 @@ teardown_passt_in_ns() {
context_run ns kill $(cat "${STATESETUP}/qemu.pid")
context_wait qemu
${NSTOOL} "${STATESETUP}/ns.hold" stop
${NSTOOL} stop "${STATESETUP}/ns.hold"
context_wait pasta
rm "${STATESETUP}/passt.pid" "${STATESETUP}/pasta.pid"
@ -310,8 +310,8 @@ teardown_passt_in_ns() {
# teardown_two_guests() - Exit namespaces, kill qemu processes, passt and pasta
teardown_two_guests() {
__ns1_pid=$(${NSTOOL} "${STATESETUP}/ns1.hold" pid)
__ns2_pid=$(${NSTOOL} "${STATESETUP}/ns2.hold" pid)
__ns1_pid=$(${NSTOOL} pid "${STATESETUP}/ns1.hold")
__ns2_pid=$(${NSTOOL} pid "${STATESETUP}/ns2.hold")
nsenter -U -p --preserve-credentials -t ${__ns1_pid} kill $(cat "${STATESETUP}/qemu_1.pid")
nsenter -U -p --preserve-credentials -t ${__ns2_pid} kill $(cat "${STATESETUP}/qemu_2.pid")
context_wait qemu_1
@ -321,8 +321,8 @@ teardown_two_guests() {
nsenter -U -p --preserve-credentials -t ${__ns2_pid} kill $(cat "${STATESETUP}/passt_2.pid")
context_wait passt_1
context_wait passt_2
${NSTOOL} "${STATESETUP}/ns1.hold" stop
${NSTOOL} "${STATESETUP}/ns2.hold" stop
${NSTOOL} stop "${STATESETUP}/ns1.hold"
${NSTOOL} stop "${STATESETUP}/ns2.hold"
context_wait pasta_1
context_wait pasta_2

28
test/nstool.c
View File

@ -7,17 +7,17 @@
*
* Can run in 3 modes:
*
* nstool <path> hold
* nstool hold <path>
* Designed to be run inside a namespace, opens a Unix domain
* control socket at <path> and waits until instructed to stop
* with "nstool <path> stop"
* nstool <path> pid
* Prints the PID of the nstool hold process with control
* socket <path>. This is given in the PID namespace where
* nstool pid is executed, not the one where nstool hold is
* running
* nstool <path> stop
* Instruct the nstool hold with control socket at <path> to exit.
* with "nstool stop <path>"
* nstool pid <path>
* Prints the PID of the nstool hold process with control socket
* <path>. This is given in the PID namespace where nstool pid
* is executed, not the one where nstool hold is running
* nstool stop <path>
* Instruct the nstool hold with control socket at <path> to
* exit.
*/
#define _GNU_SOURCE
@ -38,7 +38,7 @@
static void usage(void)
{
die("Usage: nstool <socket path> hold|pid\n");
die("Usage: nstool hold|pid|stop <socket path>\n");
}
static void hold(int fd, const struct sockaddr_un *addr)
@ -119,18 +119,18 @@ int main(int argc, char *argv[])
if (argc != 3)
usage();
sockname = argv[1];
sockname = argv[2];
strncpy(sockaddr.sun_path, sockname, UNIX_PATH_MAX);
fd = socket(AF_UNIX, SOCK_STREAM, PF_UNIX);
if (fd < 0)
die("socket(): %s\n", strerror(errno));
if (strcmp(argv[2], "hold") == 0)
if (strcmp(argv[1], "hold") == 0)
hold(fd, &sockaddr);
else if (strcmp(argv[2], "pid") == 0)
else if (strcmp(argv[1], "pid") == 0)
pid(fd, &sockaddr);
else if (strcmp(argv[2], "stop") == 0)
else if (strcmp(argv[1], "stop") == 0)
stop(fd, &sockaddr);
else
usage();